Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges. Hidden inside rocks over 541 million years old are rare molecular “fingerprints ...

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The ocean is home to some of the strangest-looking creatures in the world. It seems that the deeper you go, the stranger the ...

New research shows why some shelly critters flourished in the ocean’s harshest habitats — and others didn’t Jack Tamisiea Beds of Bathymodiolus mussels provide important habitat for other deep-sea ...

During an expedition off the coast of Argentina, scientists saw something unexpected. In December, they spied a rare jellyfish roughly the length of a school bus, known as the giant phantom jelly, ...

During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company. By Alexa Robles-Gil In late ...

What if I told you that the ocean is hiding some of the weirdest, most astonishing creatures on our planet—beings so strange, you’d think they’re straight out of a sci-fi movie? The deep sea is a ...

One major division of the kingdom Animalia is Cnidarians (animals built around a central point) and bilaterians (animals with bilateral symmetry), which includes us humans. A study found that the sea ...

This is read by an automated voice. Please report any issues or inconsistencies here. A California diver spotted a rare king-of-the-salmon ribbonfish near Monterey County’s surface, a creature ...

Animals that researchers call “supersucklers” come back to nurse even after they can hunt, mate and fend for themselves. By Elie Dolgin For most mammals, growing up means giving up their mother’s milk ...

Looking out of the Fendouzhe submersible, more than nine kilometres below the ocean surface, Mengran Du knew she was seeing something totally new to science. The vessel’s lights illuminated a thriving ...